100230111031 has 2 divisors, whose sum is σ = 100230111032. Its totient is φ = 100230111030.

The previous prime is 100230111013. The next prime is 100230111043. The reversal of 100230111031 is 130111032001.

Together with previous prime (100230111013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100230111031 - 2¹¹ = 100230108983 is a prime.

It is a super-2 number, since 2×100230111031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100230111731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115055515 + 50115055516.

It is an arithmetic number, because the mean of its divisors is an integer number (50115055516).

Almost surely, 2^100230111031 is an apocalyptic number.

100230111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100230111031 is an equidigital number, since it uses as much as digits as its factorization.

100230111031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100230111031 its reverse (130111032001), we get a palindrome (230341143032).

The spelling of 100230111031 in words is "one hundred billion, two hundred thirty million, one hundred eleven thousand, thirty-one".